Keyboard support



FIG. 1 is a top perspective view of a keyboard support showing our new design;

FIG. 2 is a top perspective view, in a lowered condition;

FIG. 3 is a top perspective view, in a retracted condition;

FIG. 4 is a top plan view, as shown in FIG. 1;

FIG. 5 is a bottom plan view, thereof;

FIG. 6 is a front elevational view, thereof;

FIG. 7 is a rear elevational view, thereof;

FIG. 8 is a right side elevational view, thereof; and

FIG. 9 is a left side elevational view thereof.

The broken line disclosure of FIG. 1, which shows a keyboard supporting shelf mounted by the mechanism, is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a keyboard support, as shown and described. 